FZUS52 KILM 181026 CWFILM Coastal Waters Forecast National Weather Service Wilmington NC 626 AM EDT Sat Apr 18 2026 Surf City NC to South Santee River SC out 20 NM AMZ200-182315- 626 AM EDT Sat Apr 18 2026 .Synopsis for coastal waters from Surf City North Carolina to South Santee River South Carolina out to 20 nautical miles... Bermuda high pressure will maintain light to moderate south to southwest winds through tonight. A quick moving cold front will push off the mainland and offshore Sunday afternoon followed by strong north to northeast winds Sunday afternoon into Monday. A secondary CFP Mon night followed by high pressure building in thru Tue. The high will slide overhead then offshore from the SE States Coast by mid-week. $$ AMZ250-182315- Coastal waters from Surf City to Cape Fear NC out 20 nm- 626 AM EDT Sat Apr 18 2026 .TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 8 seconds. .TONIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 8 seconds. .SUN...SW winds 15 to 20 kt, becoming NW in the afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 7 seconds. A chance of showers in the afternoon. .SUN NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 5 seconds and E 3 ft at 8 seconds. A chance of showers. .MON...N winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 8 seconds and W 1 ft at 5 seconds. .MON NIGHT...SW winds 10 to 15 kt, becoming N with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and SW 1 ft at 2 seconds. .TUE...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. $$ AMZ252-182315- Coastal waters from Cape Fear NC to Little River Inlet SC out 20 NM- 626 AM EDT Sat Apr 18 2026 .TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 8 seconds. .TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 8 seconds. .SUN...SW winds 15 to 20 kt, becoming NW in the afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and E 1 ft at 12 seconds. A chance of showers in the afternoon. .SUN NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and E 3 ft at 8 seconds. A chance of showers. .MON...N winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 6 seconds and NW 1 ft at 4 seconds. .MON NIGHT...SW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and SW 1 ft at 2 seconds. .TUE...NE winds 10 to 15 kt. Seas 2 to 4 ft. .TUE NIGHT...S winds 5 kt. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft. .WED NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. $$ AMZ254-182315- Coastal waters from Little River Inlet to Murrells Inlet SC out 20 NM- 626 AM EDT Sat Apr 18 2026 .TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at 8 seconds. .TONIGHT...S winds 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 8 seconds. .SUN...SW winds 15 to 20 kt, becoming NW in the afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers in the afternoon. .SUN NIGHT...N winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 5 seconds and E 3 ft at 8 seconds. A chance of showers, mainly in the evening. .MON...N winds 10 to 15 kt with gusts up to 20 kt, becoming NW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds and NW 1 ft at 5 seconds. .MON NIGHT...SW winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SW 1 ft at 2 seconds. .TUE...NE winds 15 to 20 kt, becoming E 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .TUE NIGHT...S winds 5 to 10 kt. Seas 2 ft. .WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. $$ AMZ256-182315- Coastal waters from Murrells Inlet to South Santee River SC out 20 NM- 626 AM EDT Sat Apr 18 2026 .TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. .TONIGHT...S winds 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 4 seconds and E 2 ft at 8 seconds. .SUN...SW winds 15 to 20 kt, becoming NW 20 to 25 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers in the afternoon. .SUN NIGHT...N winds 20 to 25 kt, becoming NE 15 to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and E 4 ft at 8 seconds. A slight chance of showers. .MON...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: NE 4 ft at 5 seconds. .MON NIGHT...S winds 5 to 10 kt, becoming N 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and S 1 ft at 2 seconds. .TUE...NE winds 15 to 20 kt, becoming E 10 to 15 kt in the afternoon. Seas 2 to 4 ft. .TUE NIGHT...SE winds 5 to 10 kt, becoming S after midnight. Seas 2 to 3 ft. .WED...SW winds 5 to 10 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds 15 to 20 kt. Seas 2 to 3 ft. $$ AMZ280-182315- Waters from Surf City NC to Little River Inlet SC from 20 to 60 NM- 626 AM EDT Sat Apr 18 2026 .TODAY...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. .TONIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 8 seconds. .SUN...SW winds 20 kt, becoming W in the afternoon. Gusts up to 30 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds and E 1 ft at 12 seconds. A chance of showers with a slight chance of tstms in the afternoon. .SUN NIGHT...N winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft. Wave Detail: N 7 ft at 6 seconds and E 1 ft at 11 seconds. A slight chance of tstms in the evening. A chance of showers. .MON...N winds 20 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: NE 7 ft at 8 seconds and NW 1 ft at 5 seconds. .MON NIGHT...NW winds 10 to 15 kt, becoming N 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: NE 5 ft at 7 seconds and NW 2 ft at 3 seconds. .TUE...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...E winds 5 to 10 kt, becoming S after midnight. Seas 2 to 4 ft. .WED...SW winds 10 to 15 kt. Seas 2 to 3 ft. .WED NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Winds and seas higher in and near tstms. $$ AMZ284-182315- Waters from Little River Inlet SC to South Santee River SC from 20 to 60 NM- 626 AM EDT Sat Apr 18 2026 .TODAY...SW winds 5 to 10 kt, increasing to 10 to 15 kt late. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds. .TONIGHT...S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 8 seconds. .SUN...SW winds 15 to 20 kt, becoming W 20 to 25 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers in the afternoon. .SUN NIGHT...N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: N 6 ft at 5 seconds and E 1 ft at 11 seconds. A slight chance of tstms in the evening. A chance of showers. .MON...NE winds 20 to 25 kt, becoming N 10 to 15 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: NE 6 ft at 8 seconds and NW 1 ft at 5 seconds. .MON NIGHT...SE winds 5 to 10 kt, becoming N 10 to 15 kt with gusts up to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: E 5 ft at 8 seconds and NW 1 ft at 3 seconds. .TUE...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...E winds 5 to 10 kt, becoming SE after midnight. Seas 2 to 4 ft. .WED...S winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. .WED NIGHT...SW winds 15 to 20 kt. Seas 3 ft. Winds and seas higher in and near tstms. $$